i would very much like to upgrade my software to 2.0 but idk if i should because i wont have my gpsphone. i love lpaying my pokemon. of course i can still play on my computer but thats not on my ipod. i am getting the new iphone when it comes out and i am keeping my ipod. so idk what to do...can i get some help?...if i upgrade soiftware can i downgrade also or will i be stuck on 2.0?